7669040121 has 64 divisors (see below), whose sum is σ = 12335431680. Its totient is φ = 4694976000.

The previous prime is 7669040107. The next prime is 7669040147. The reversal of 7669040121 is 1210409667.

7669040121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7669040121 - 2⁷ = 7669039993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7669040321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2520361 + ... + 2523401.

It is an arithmetic number, because the mean of its divisors is an integer number (192741120).

Almost surely, 2^7669040121 is an apocalyptic number.

It is an amenable number.

7669040121 is a deficient number, since it is larger than the sum of its proper divisors (4666391559).

7669040121 is a wasteful number, since it uses less digits than its factorization.

7669040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 7669040121 is about 87573.0559076249. The cubic root of 7669040121 is about 1972.0306923216.

Adding to 7669040121 its reverse (1210409667), we get a palindrome (8879449788).

The spelling of 7669040121 in words is "seven billion, six hundred sixty-nine million, forty thousand, one hundred twenty-one".